PinePhone quickly crashes unless plugged to power

[gab]

Code:

Aug 05 20:34:41 mobian ModemManager[488]: <info>  [sleep-monitor] system is about to suspend
Aug 05 20:34:41 mobian NetworkManager[405]: <info>  [1628188481.6787] manager: sleep: sleep requested (sleeping: no  enabled: yes)
Aug 05 20:34:41 mobian ModemManager[488]: [/dev/cdc-wdm0] Releasing 'wds' client with flags 'release-cid'...
Aug 05 20:34:41 mobian NetworkManager[405]: <info>  [1628188481.6795] device (usb0): state change: unavailable -> unmanaged (reason 'sleeping', sys-iface-state: 'managed')
Aug 05 20:34:41 mobian ModemManager[488]: [/dev/cdc-wdm0] Unregistered 'wds' client with ID '19'
Aug 05 20:34:41 mobian eg25manager[408]: system is about to suspend
Aug 05 20:34:41 mobian ModemManager[488]: [/dev/cdc-wdm0] Releasing 'wds' client with flags 'release-cid'...
Aug 05 20:34:41 mobian eg25manager[408]: Sending command: AT+QGPSEND
Aug 05 20:34:41 mobian ModemManager[488]: [/dev/cdc-wdm0] Unregistered 'wds' client with ID '18'
Aug 05 20:34:41 mobian systemd-networkd[284]: usb0: Link DOWN
Aug 05 20:34:41 mobian ModemManager[488]: [/dev/cdc-wdm0] Releasing 'voice' client with flags 'release-cid'...
Aug 05 20:34:41 mobian eg25manager[408]: Response: [OK]
Aug 05 20:34:41 mobian ModemManager[488]: [/dev/cdc-wdm0] Unregistered 'voice' client with ID '3'
Aug 05 20:34:41 mobian eg25manager[408]: Executed suspend sequence
Aug 05 20:34:41 mobian ModemManager[488]: [/dev/cdc-wdm0] Releasing 'pdc' client with flags 'release-cid'...
Aug 05 20:34:41 mobian eg25manager[408]: suspend sequence is over, drop inhibitor
Aug 05 20:34:41 mobian ModemManager[488]: [/dev/cdc-wdm0] Unregistered 'pdc' client with ID '1'
Aug 05 20:34:41 mobian eg25manager[408]: dropping systemd sleep delay inhibitor
Aug 05 20:34:41 mobian ModemManager[488]: [/dev/cdc-wdm0] Releasing 'loc' client with flags 'release-cid'...
Aug 05 20:34:41 mobian eg25manager[408]: ModemManager object `/org/freedesktop/ModemManager1/Modem/1' removed
Aug 05 20:34:41 mobian ModemManager[488]: [/dev/cdc-wdm0] Unregistered 'loc' client with ID '1'
Aug 05 20:34:41 mobian NetworkManager[405]: <info>  [1628188481.7185] device (wlan0): state change: disconnected -> unmanaged (reason 'sleeping', sys-iface-state: 'managed')
Aug 05 20:34:41 mobian ModemManager[488]: [/dev/cdc-wdm0] Releasing 'uim' client with flags 'release-cid'...
Aug 05 20:34:41 mobian systemd-networkd[284]: wlan0: Link DOWN
Aug 05 20:34:41 mobian ModemManager[488]: [/dev/cdc-wdm0] Unregistered 'uim' client with ID '2'
Aug 05 20:34:41 mobian ModemManager[488]: [/dev/cdc-wdm0] Releasing 'wms' client with flags 'release-cid'...
Aug 05 20:34:41 mobian ModemManager[488]: [/dev/cdc-wdm0] Unregistered 'wms' client with ID '1'
Aug 05 20:34:41 mobian ModemManager[488]: [/dev/cdc-wdm0] Releasing 'wds' client with flags 'release-cid'...
Aug 05 20:34:41 mobian ModemManager[488]: [/dev/cdc-wdm0] Unregistered 'wds' client with ID '17'
Aug 05 20:34:41 mobian ModemManager[488]: [/dev/cdc-wdm0] Releasing 'nas' client with flags 'release-cid'...
Aug 05 20:34:41 mobian ModemManager[488]: [/dev/cdc-wdm0] Unregistered 'nas' client with ID '3'
Aug 05 20:34:41 mobian ModemManager[488]: [/dev/cdc-wdm0] Releasing 'dms' client with flags 'release-cid'...
Aug 05 20:34:41 mobian NetworkManager[405]: <info>  [1628188481.7597] device (wlan0): set-hw-addr: reset MAC address to 02:BA:36:56:60:D9 (unmanage)
Aug 05 20:34:41 mobian ModemManager[488]: [/dev/cdc-wdm0] Unregistered 'dms' client with ID '1'
Aug 05 20:34:41 mobian systemd-networkd[284]: wlan0: Link UP
Aug 05 20:34:41 mobian NetworkManager[405]: <info>  [1628188481.7850] device (p2p-dev-wlan0): state change: disconnected -> unmanaged (reason 'sleeping', sys-iface-state: 'managed')
Aug 05 20:34:41 mobian NetworkManager[405]: <info>  [1628188481.7866] manager: NetworkManager state is now ASLEEP
Aug 05 20:34:41 mobian NetworkManager[405]: <info>  [1628188481.7879] device (cdc-wdm0): state change: activated -> unmanaged (reason 'removed', sys-iface-state: 'removed')
Aug 05 20:34:41 mobian systemd-networkd[284]: wwan0: Link DOWN
Aug 05 20:34:41 mobian systemd-networkd[284]: wwan0: Lost carrier
Aug 05 20:34:41 mobian wpa_supplicant[422]: nl80211: deinit ifname=wlan0 disabled_11b_rates=0
Aug 05 20:34:41 mobian dbus-daemon[403]: [system] Activating via systemd: service name='org.freedesktop.nm_dispatcher' unit='dbus-org.freedesktop.nm-dispatcher.service' requested by ':1.15' (uid=0 pid=405 comm="/usr/sbin/NetworkManager --no-daemon ")
Aug 05 20:34:41 mobian NetworkManager[405]: <warn>  [1628188481.9505] modem-broadband[cdc-wdm0]: failed to disconnect modem: GDBus.Error:org.freedesktop.DBus.Error.UnknownMethod: No such interface “org.freedesktop.ModemManager1.Modem.Simple” on object at path /org/freedesktop/ModemManager1/Modem/1

This is the end of the logs. The line before this block was 5 seconds earlier so I assume less relevant. What is interesting is that in the last second of the log I get:

Code:

system is about to suspend

Could it be that somehow crust fails ?

I will try other OSes this weekend.